aphids的例句大全

Bunchy top disease can spread from plant to plant and it is also spread by aphids.

束顶病可以通过个体间传播,也可以通过蚜虫传播.

More impressive, aphids got their ability to make carotenoids through a major shortcut.

更令人印象深刻的是蚜虫是走捷径才能产生类胡萝卜素的.

Prediction model of alate aphids migration peak period in Shandong tobacco growing region

山东烟区有翅蚜迁飞高峰期预测模型的建立及应用

A method for mass culture of wheat aphids was developed using wheat seedling as forage.

介绍利用水培麦苗大量饲养麦蚜的技术.

In some species, such as aphids, the flightless morph lacks wings and is called the apterous morph.

一些昆虫种类，如蚜虫，出现无翅个体，被称为无翅型。

The natural enemies of maize aphids were studied in Shenyang from 1980 to 1991. The result showed that there were 13 species insects in Hexapoda, 2 species in Arachnoidea and 1 species in fungus.

1980～1991年研究表明，沈阳等地玉米田蚜虫天敌有昆虫纲13种，蜘蛛纲2种，真菌1种。

Aphids are transmitters of plant diseases.

蚜虫是植物疾病的传播者.

Ladybugs, also called ladybird beetles, eat aphids-small, soft insects that look like tiny grains of rice.

小甲虫, 也称为瓢虫, 食蚜小, 软昆虫,看起来像小粒大米.

Disease: Aphids, mealy bugs, powdery mildew, fungal leaf spot, stem and root rot if over watered.

病虫害: 蚜虫, 介壳虫, 白粉病, 真菌叶斑病, 如果超过浇水可患茎、根腐病.

This thesis is to study the insecticidal effect of PC to aphids and Plutella xylostlla.

本文研究蝉拟青霉对蚕豆蚜虫和小菜蛾的杀虫作用.

As a large group of Hemiptera, aphids are distributed worldwide and most of them are pests.

蚜虫是半翅目中一类体型较小的昆虫,广布于世界各地,其中绝大部分是农林害虫.

The tests on 2 % octadecyl trimethyl ammonium chloride showed good result against the cabbage aphids.

绿清灵即2%十八烷基三甲基氯化铵可溶性粉剂,对蔬菜蚜虫具有较好的防治效果.